Snake Game

#include <stdio.h>

#include <stdlib.h>

#include <conio.h>

#include <windows.h>

#define FRAME_RATE 40

using namespace std;
void clearScreen() {
    HANDLE hOut;
    COORD Position;
    hOut = GetStdHandle(STD_OUTPUT_HANDLE);
    Position.X = 0;
    Position.Y = 0;
    SetConsoleCursorPosition(hOut, Position);
}
void hidecursor() {
    HANDLE consoleHandle = GetStdHandle(STD_OUTPUT_HANDLE);
    CONSOLE_CURSOR_INFO info;
    info.dwSize = 100;
    info.bVisible = FALSE;
    SetConsoleCursorInfo(consoleHandle, &info);
}
bool gameOver;
const int width = 20;
const int height = 20;
int x, y, fruitX, fruitY, score;
int tailX[100], tailY[100];
int nTail;
enum eDirecton {
    STOP = 0, LEFT, RIGHT, UP, DOWN
};
eDirecton dir;
void Setup() {
    hidecursor();
    gameOver = false;
    dir = STOP;
    x = width / 2;
    y = height / 2;
    fruitX = rand() % width;
    fruitY = rand() % height;
    score = 0;
}
void Draw() {
    clearScreen(); //system("clear");
    for (int i = 0; i < width + 2; i++)
        printf("#");
    printf("\n");
    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            if (j == 0)
                printf("#");
            if (i == y && j == x)
                printf("O");
            else if (i == fruitY && j == fruitX)
                printf("F");
            else {
                bool print = false;
                for (int k = 0; k < nTail; k++) {
                    if (tailX[k] == j && tailY[k] == i) {
                        printf("o");
                        print = true;
                    }
                }
                if (!print)
                    printf(" ");
            }
            if (j == width - 1)
                printf("#");
        }
        printf("\n");
    }
    for (int i = 0; i < width + 2; i++)
        printf("#");
    printf("\n");
    printf("Score: %i", score);
}
void Input() {
    if (_kbhit()) {
        switch (_getch()) {
        case 'a':
            dir = LEFT;
            break;
        case 'd':
            dir = RIGHT;
            break;
        case 'w':
            dir = UP;
            break;
        case 's':
            dir = DOWN;
            break;
        case 'x':
            gameOver = true;
            break;
        }
    }
}
void Logic() {
    int prevX = tailX[0];
    int prevY = tailY[0];
    int prev2X, prev2Y;
    tailX[0] = x;
    tailY[0] = y;
    for (int i = 1; i < nTail; i++) {
        prev2X = tailX[i];
        prev2Y = tailY[i];
        tailX[i] = prevX;
        tailY[i] = prevY;
        prevX = prev2X;
        prevY = prev2Y;
    }
    switch (dir) {
    case LEFT:
        x--;
        break;
    case RIGHT:
        x++;
        break;
    case UP:
        y--;
        break;
    case DOWN:
        y++;
        break;
    default:
        break;
    }
    //if (x > width || x < 0 || y > height || y < 0)
    // gameOver = true;
    if (x >= width) x = 0;
    else if (x < 0) x = width - 1;
    if (y >= height) y = 0;
    else if (y < 0) y = height - 1;
    for (int i = 0; i < nTail; i++)
        if (tailX[i] == x && tailY[i] == y)
            gameOver = true;
    if (x == fruitX && y == fruitY) {
        score += 10;
        fruitX = rand() % width;
        fruitY = rand() % height;
        nTail++;
    }
}
int main() {
    Setup();
    while (!gameOver) {
        Draw();
        Input();
        Logic();
        Sleep(FRAME_RATE); //sleep(40);
    }
    return 0;
}